Home / 11,831.06-17,749.15-3,511.65

Finding the Fourth Proportional to 11,831.06, 17,749.15 and 3,511.65

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Solution

The fourth proportional to 11,831.06, 17,749.15 and 3,511.65 is: 5,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.06 : 17,749.15 = 3,511.65 : x
  2. Step 2: Convert to fraction form
    11,831.06/17,749.15 = 3,511.65/x
  3. Step 3: Cross multiply
    11,831.06x = 17,749.15 × 3,511.65
  4. Step 4: Simplify right side
    11,831.06x = 62,328,870.25
  5. Step 5: Solve for x
    x = 62,328,870.25/11,831.06
  6. Step 6: Final answer
    x = 5,268.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.